Kenwood KAC-PS4D/X4R, Service Manual

Page: 16 / 32

16
KAC-PS4D/X4R
V
13.5V
10.8V
14.5V
0V
5.0V
5.0V
5.0V
5.0V
5.0V
IC507
IC901
IC900
IC902
512
IC904
(2/2)
Q522
Q521
D519
V
SYSTEM
TRANSLATION
3V/5V
Q924
DC-DET
Q906
Q922
Q923
u-COM
Q907
CN5
Q902
D902
S1
Q903
MEMORY
Q905
D903
IC904(1/2)
ADI
D905
ADV
Q904
D911
Q917
Q918
Q920
FAN
D906
Q910
Q909
THERMISTOR
Q912
Q908
SW5V
D606
D605
D907
BU5V
Q911
SW14V
Q913
Q915
Q914
D908
D909
Q916
D910
Q901
CN1
+B
514,515,518,520
: EC21QS06AG
521,908 : UDZS15B
522
: UDZS3.9B
906 : UDZS4.7B
909 : UDZS6.8B
911 : UDZS13B
D914
D98
D99
D913
Q930
Q931
D904
7
6
8
12
13
13 13
12
10
9
11
10
9
11
12
10
9
11
12
12 12
12
9
10
11
8
12
11
10
9
8
6
7
AL,AR,BL,BR,26
FD-BL/BR/AL/AR
A
CN1
2/2
X08-A/2-
GND
4
VCC
0.1
5
R563
5.1K
10K
R566
R565
R564
1K
C557
10K
R560
1K
SHUTDO
WN
C907
26
55
R932 100
GND
9
10
11
7
8
5
6
13
12
15
14
R855 100
R910 100
R909 100
R908 100
R907 100
R906 100
R905 100
20
1
VCC
3
4
NC
2
17
16
19
18
R966
220u16
C915 R965
10K
TP199
NC
R928 100 R927 100 R930 470 R936 100
VDD
VSS
OVF
TP14
16
15
14
TP13
13
12
11
10
9
8
7
6
NC nERR
OR
D2 D
A
T
A
D2 CLK
18
17
20 19
EVDD
EVSS
D2 RST DET D2 RESET OC-DET
23 22
21
NC NC
25
24
FLASH W
NC(SYS CLK X1)
NC(SYS CLK X2)
REGC
NC
RESET
3.9K
R958
4.3K
C914
0.01
R957
4.3K
C913
0.01
C912
R956
4.3K
TP18
2.2K
5
4
3
2
1 C901
R960
0.01
56 57 58 59 60 62 63 64
NC
PCON
USB DET
NC
NC
NC
B DET
DC DET
61
E2P SCL
E2P SD
A
NC
TEMP1
NC
TP10
0.01 0.01
C911
R955
4.3K
TP15
FLASH
FLASH W
SI
R806 10 R863 10 R862 10 R861 10
RESET
10 11
VDD GND
CLK
7 8 9
SO
SCK
4 5 6
R842 10 R864 10
1
TXD
RXD
2 3
R805 10 R865 10
VFD-DATA M(DI)
R939 10K
R938 10K
R935 100 R934 100
R933 2K
R857 100
14V SW
SP MUTE
BOOT
RTRY CCW
DSP MUTE PREOUT MUTE
29
NC
28
27
NC NC
31
30 32
RTRY CW
33
34
35
PON ILLUMI
5V SW
VDDOWN
FAN CTRL
36
37
38
39
PON FL
VFD INH
VFD CE
40
41
42
43
TP24
49 50 52 53 54
VFD DATA S(DO)
AD I
TEMP4 TEMP3 TEMP2 TEMP6 TEMP5
51
AVSS
VFD CLK
AVREF
44
45
46
47
AD V
48
R914 1K R913 1K
0.01
GND
1
A2 A1 A0
3 2 4
8
C92
0.0
SCL
WP
VCC SD
A
6 7 5
0.1
R973
R969
10
R968
10
6
4
5 8
7
2
C916
10u50
R967
1.3K
3
1
R972
1K
C917
0.1
1K
C919
47u25
R976
10K
C937
10u16
R85
10K
TP164
TP32
R83 100
C921
47u25
C923
220u16
TH6 TH5 TH4
R980
1K
TH3 TH2
TH1
C922
1
R978
47K
R979
510
R983
100K
R981
33K
R982
10K
C924
10u50
R985
10K
0.1
0.1
4.7uH
L901
C925
10u50
R988
1.5K
R987
3.9K
C926
R991
10K
5.1K R561
K
K
510
R84
C920 0.1
R961 47K
R962 47K
R963 47K
R964 47K
R915 10K
R916 10K
R917 47K
R918 10K
R920 10K
R854 10K
R851 4.7K
R922 10K
R923 47K
R924 10K
R931 10K
R940 47K
R853 10K
R997 10K
100u6.3
C908
R998 1K
C903 0.01
C933 0.01
C934 0.01
0.01
C932
0.01
C938
100
R929
TP23 TP22
TP8 TP9
OUT OF BOO
T
R937 100
R942
R858
VFD-CE
LOGO-LED
F
AN+B
P
A
SS-L-GND
ISO-BR
L-MAIN-GND
ISO-AR
P
A
SS-R-GND
AMP-AL
ISO-AL
R-INP-GND
AMP-BL
AMP-BR
R-MAIN-GND
L-INP-GND
AMP-AR
ISO-BL
1 8 6 5 3 2 4 7
-15V
16 13 12 11 10 9 14 15
+15V
21 20 17 18 19
FIL+
B14V
0
R848
R941
100
R
T
R
Y
-CCW
VFD-D
A
T
A
-S
R
T
R
Y
-CW
VFD-INH
VFD-CLK
DGND
VFD-D
A
T
A-M
30 23 24 22 29 28 27 26 25
VFL
SW5V
R859
0 0
100 100
R943
0
R847
0
R860
100
R995 R944
100
40 35 34
R904 680
R903 4.7K R902 4.7K
MODE
TP25
TP27
TP28
TP26
R901 10K
R952 47K
51
52 53 54 55 56 58 59
C929 0.01 C928 0.01
R911 1K
C930 0.01 C931 0.01
R999 1
R951 47K
10
R9
36
37
39
38
58
59
10
R97
100
R925
100
R926
CTRL
1K
R912
10K
R959
100
R852
SI
RXD
TXD
SO
SCK
100
R949
1K
R948
40
3.3K
R974
34
35
10
R81
0.47
C902
26 14
21
19 22 18 17 23 33
31
32
7
9
6
11
6 9
11
4.7K
R984
R989 3.3K
3.3K
R990
38
37
36
C936 0.01
R975 2K
49 50
4.7K
R992
R994
10K
R993
49 50
0.01
C910
0.01
C909
4.3K
R954
4.3K
R953
C918 0.01
A-BR
BR
BL
AR
AL
A-AL A-BL A-AR
TP213 TP214 TP216 TP215 TP204 TP208 TP205 TP203 TP207 TP211 TP210 TP209 TP212 TP206 TP201 TP202 TP221 TP230
TP229 TP228
TP227 TP225
TP226 TP224 TP222
TP223
TP217
TP218 TP219
TP220
56 55 54 53 52
51
SCK
SI
SO
RXD
TXD
SCK
SO
RXD
SI
TXD
17
18
22
21
33
23
19
31
32
2200P
R596 100
1.2K
R594
0.1
C518
B14V
FA
N
+
B
SW5V
+15V
SW14V
BDET
PONFL
PON
14VSW
10K
R986
4.7K
R977
PCON
+5V
+12V
+3.3V
+1.8V
220u16
C519
+5V
22
0
R630
+3.3V
7
34
31
45
DET
33
30
SW
AL
AR
BL
BR
15V
14VSW
R620 10
+5VA
B14V
FIL+
F
AN+B
VFL
SW5V
R856 10K
47K
R946
B14V
B14V
+14.5V
C946
0.1
120
R887
120
R886
1K
R947
1000P
C947
0.01
C935
100
R883
+14.5V
1K
R880
1K
R879
10K
R921
C904 0.01
93
93
22u6.3
C939
R882 22K
100
R881
+
+
+
+
+
+
+
+
+
+
+
+
+
X09-8620-10 (3/7)
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